in the house. dynamite, c-4 and uranium, a radioactive chemical used in dirty bombs or armor-piercing ammunition. those materials were found in both a storage locker he rented as well as in the house. so there's a couple of big questions here in vallejo. what exactly was all that material all about? we do know that he was involved with chemical science. some of it may have been used for his job. but we're talking about some serious materials. and then again, who killed these women? sydnie. >> anne, what an incredibly complicated story. how many police departments are involved? >> reporter: several. the chp and federal agencies including the atf. >> anne, thank you. anne makovec in vallejo. >>> find much more of this story including unedited video from each crime scene. it's all on our website, cbs5.com. >>> oakland's police chief disagrees with the police officer's union on the impact of recent police layoffs. 80 officers laid off in july. last week union officials said crime in oakland has increased 8.5% since then. but police chief anthony batts is not connecting that incre
